Function write_full_change

atomic-core/src/change/format_v3/reader/tests.rs:132–184

Helper: write a full change file with all section types.

()

/// Helper: write a full change file with all section types.
fn write_full_change() -> (Vec<u8>, [u8; 32]) {
    let mut buf = Vec::new();
    let self_hash = *blake3::hash(b"full").as_bytes();
    let dep_hash = *blake3::hash(b"dep1").as_bytes();

    let mut hash_table = HashDedupTable::new(self_hash);
    let dep_idx = hash_table.insert(dep_hash).unwrap();

    let file_header = FileHeader::builder()
        .hash_table_entries(hash_table.len() as u32)
        .graph_section_count(2)
        .semantic_section_count(2)
        .contents_chunks(3)
        .with_provenance()
        .with_unhashed()
        .build();

    let mut writer = ChangeWriter::new(&mut buf, WriterOptions::default());
    writer.write_file_header(&file_header).unwrap();
    writer.write_hash_table(&hash_table).unwrap();
    writer
        .write_change_header(&ChangeHeader::new("Full change"))
        .unwrap();
    writer.write_dependencies(&[dep_idx]).unwrap();
    writer.write_provenance(&[]).unwrap();
    writer
        .write_graph_section(b"graph data for file_a.rs")
        .unwrap();
    writer
        .write_graph_section(b"graph data for file_b.rs")
        .unwrap();
    writer
        .write_semantic_section(b"semantic data for file_a.rs")
        .unwrap();
    writer
        .write_semantic_section(b"semantic data for file_b.rs")
        .unwrap();
    writer
        .write_content_chunk(0, b"chunk zero content bytes")
        .unwrap();
    writer
        .write_content_chunk(1, b"chunk one content bytes")
        .unwrap();
    writer
        .write_content_chunk(2, b"chunk two content bytes")
        .unwrap();
    writer
        .write_unhashed(b"{\"transcript\": \"AI reasoning\"}")
        .unwrap();
    let outcome = writer.finalize().unwrap();

    (buf, outcome.content_hash)
}

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